
<div class="category">
  <div class="masking"></div>
  <div class="float-tier">
    <div class="comb"><a href="javascript:;" class="main current">汽车服务</a>
      <div class="sub"><a href="javascript:;" class="item">保养</a><a href="javascript:;" class="item">美容</a><a href="javascript:;" class="item">养护</a><a href="javascript:;" class="item">车务</a></div>
    </div>
    <div class="comb"><a href="javascript:;" class="main">电子券</a>
      <div class="sub"><a href="javascript:;" class="item">保养</a><a href="javascript:;" class="item">美容啊</a><a href="javascript:;" class="item">养护</a><a href="javascript:;" class="item">车务车务</a><a href="javascript:;" class="item">养护</a><a href="javascript:;" class="item">车务车务车务车务车务</a><a href="javascript:;" class="item">养护</a><a href="javascript:;" class="item">车务</a></div>
    </div>
    <div class="comb"><a href="javascript:;" class="main">数码、手机、电子</a>
      <div class="sub"><a href="javascript:;" class="item">保养</a><a href="javascript:;" class="item">美容</a></div>
    </div>
    <div class="comb"><a href="javascript:;" class="main">家居、家装</a>
      <div class="sub"><a href="javascript:;" class="item">保养</a><a href="javascript:;" class="item">美容</a></div>
    </div>
    <div class="comb"><a href="javascript:;" class="main">个护化妆、清洁用品</a></div>
    <div class="comb"><a href="javascript:;" class="main">电脑、箱包、办公</a>
      <div class="sub"><a href="javascript:;" class="item">保养</a><a href="javascript:;" class="item">美容</a></div>
    </div>
    <div class="comb"><a href="javascript:;" class="main">厨房用具、水具酒具</a>
      <div class="sub"><a href="javascript:;" class="item">保养</a><a href="javascript:;" class="item">美容</a></div>
    </div>
    <div class="comb"><a href="javascript:;" class="main">小电器、运动户外</a>
      <div class="sub"><a href="javascript:;" class="item">保养</a><a href="javascript:;" class="item">美容</a></div>
    </div>
  </div>
</div>